| Blainville-sur-l'Eau | |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason ville fr Blainville-sur-l'Eau (Meurthe-et-Moselle).svg |
| Arrondissement: | Lunéville |
| Canton: | Lunéville-2 |
| Insee: | 54076 |
| Postal Code: | 54360 |
| Mayor: | Olivier Martet[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | Meurthe, Mortagne, Moselle |
| Coordinates: | 48.5561°N 6.4075°W |
| Elevation M: | 250 |
| Elevation Min M: | 212 |
| Elevation Max M: | 288 |
| Area Km2: | 11.74 |
Blainville-sur-l'Eau (in French pronounced as /blɛ̃vil syʁ lo/, literally Blainville on the Water) is a commune in the Meurthe-et-Moselle department in northeastern France.